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i965/gen7: Fix gl_HelperInvocation 

It appears that UV immediates aren't working on Ivy Bridge. In this
case, a signed version will work, and this fixes the piglit
tests/spec/glsl-4.50/execution/helper-invocation.shader_test test.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Jordan Justen 2016-05-23 17:34:51 -07:00
parent e384d75b12
commit e58fabc93a
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/i965/brw_fs_nir.cpp
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@ -309,7 +309,7 @@ emit_system_values_block(nir_block *block, fs_visitor *v)
stride(byte_offset(retype(brw_vec1_grf(1, 0),
BRW_REGISTER_TYPE_UB), 28),
1, 8, 0),
brw_imm_uv(0x76543210));
brw_imm_v(0x76543210));
/* A set bit in the pixel mask means the channel is enabled, but
* that is the opposite of gl_HelperInvocation so we need to invert